cambridge/tetris/rulesets/standard.lua

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local Piece = require 'tetris.components.piece'
local Ruleset = require 'tetris.rulesets.standard_ace'
local SRS = Ruleset:extend()
SRS.name = "Guideline SRS"
SRS.hash = "Standard"
SRS.softdrop_lock = false
SRS.harddrop_lock = true
SRS.MANIPULATIONS_MAX = 15
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SRS.wallkicks_line = {
[0]={
[1]={{x=-2, y=0}, {x=1, y=0}, {x=-2, y=1}, {x=1, y=-2}},
[2]={{x=-1,y=0},{x=-2,y=0},{x=1,y=0},{x=2,y=0},{x=0,y=1}},
[3]={{x=-1, y=0}, {x=2, y=0}, {x=-1, y=-2}, {x=2, y=1}},
},
[1]={
[0]={{x=2, y=0}, {x=-1, y=0}, {x=2, y=-1}, {x=-1, y=2}},
[2]={{x=-1, y=0}, {x=2, y=0}, {x=-1, y=-2}, {x=2, y=1}},
[3]={{x=0,y=1},{x=0,y=2},{x=0,y=-1},{x=0,y=-2},{x=-1,y=0}},
},
[2]={
[0]={{x=1,y=0},{x=2,y=0},{x=-1,y=0},{x=-2,y=0},{x=0,y=-1}},
[1]={{x=1, y=0}, {x=-2, y=0}, {x=1, y=2}, {x=-2, y=-1}},
[3]={{x=2, y=0}, {x=-1, y=0}, {x=2, y=-1}, {x=-1, y=2}},
},
[3]={
[0]={{x=1, y=0}, {x=-2, y=0}, {x=1, y=2}, {x=-2, y=-1}},
[1]={{x=0,y=1},{x=0,y=2},{x=0,y=-1},{x=0,y=-2},{x=1,y=0}},
[2]={{x=-2, y=0}, {x=1, y=0}, {x=-2, y=1}, {x=1, y=-2}},
},
};
function SRS:attemptWallkicks(piece, new_piece, rot_dir, grid)
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local kicks
if piece.shape == "O" then
return
elseif piece.shape == "I" then
kicks = SRS.wallkicks_line[piece.rotation][new_piece.rotation]
else
kicks = SRS.wallkicks_3x3[piece.rotation][new_piece.rotation]
end
assert(piece.rotation ~= new_piece.rotation)
for idx, offset in pairs(kicks) do
kicked_piece = new_piece:withOffset(offset)
if grid:canPlacePiece(kicked_piece) then
piece:setRelativeRotation(rot_dir)
piece:setOffset(offset)
self:onPieceRotate(piece, grid)
return
end
end
end
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function SRS:checkNewLow(piece)
for _, block in pairs(piece:getBlockOffsets()) do
local y = piece.position.y + block.y
if y > piece.lowest_y then
piece.manipulations = 0
piece.rotations = 0
piece.lowest_y = y
end
end
end
function SRS:onPieceCreate(piece, grid)
piece.manipulations = 0
piece.rotations = 0
piece.lowest_y = -math.huge
end
function SRS:onPieceDrop(piece, grid)
self:checkNewLow(piece)
if piece.manipulations >= self.MANIPULATIONS_MAX and piece:isDropBlocked(grid) then
piece.locked = true
else
piece.lock_delay = 0 -- step reset
end
end
function SRS:onPieceMove(piece, grid)
piece.lock_delay = 0 -- move reset
if piece:isDropBlocked(grid) then
piece.manipulations = piece.manipulations + 1
if piece.manipulations >= SRS.MANIPULATIONS_MAX then
piece.locked = true
end
end
end
function SRS:onPieceRotate(piece, grid)
piece.lock_delay = 0 -- rotate reset
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self:checkNewLow(piece)
piece.manipulations = piece.manipulations + 1
if piece.manipulations >= self.MANIPULATIONS_MAX then
piece:moveInGrid({ x = 0, y = 1 }, 1, grid)
if piece:isDropBlocked(grid) then
piece.locked = true
end
end
end
function SRS:canPieceRotate() return true end
return SRS